1880x WeakAuras/GenericTrigger.lua:2523: attempt to index local 'oldSpellDetail' (a nil value)
[string "@WeakAuras/GenericTrigger.lua"]:2523: in function `CheckSpellKnown'
[string "@WeakAuras/GenericTrigger.lua"]:2816: in function <WeakAuras/GenericTrigger.lua:2772>

Locals:
self = <table> {
 spellCds = <table> {
 }
 WatchSpellCooldown = <function> defined @WeakAuras/GenericTrigger.lua:2644
 GetSpellCharges = <function> defined @WeakAuras/GenericTrigger.lua:2693
 SendEventsForSpell = <function> defined @WeakAuras/GenericTrigger.lua:2684
 GetSpellCooldown = <function> defined @WeakAuras/GenericTrigger.lua:2705
 data = <table> {
 }
 spellCdsRune = <table> {
 }
 spellCdsCharges = <table> {
 }
 spellCdsOnlyCooldownRune = <table> {
 }
 AddEffectiveSpellId = <function> defined @WeakAuras/GenericTrigger.lua:2464
 watchedSpellIds = <table> {
 }
 CheckSpellCooldowns = <function> defined @WeakAuras/GenericTrigger.lua:2584
 CheckSpellCooldown = <function> defined @WeakAuras/GenericTrigger.lua:2590
 CheckSpellKnown = <function> defined @WeakAuras/GenericTrigger.lua:2499
 spellCdsOnlyCooldown = <table> {
 }
}
(for generator) = <function> defined =[C]:-1
(for state) = <table> {
 6353 = <table> {
 }
 426195 = <table> {
 }
 18288 = <table> {
 }
 6229 = <table> {
 }
 26297 = <table> {
 }
 403629 = <table> {
 }
 17924 = <table> {
 }
 17925 = <table> {
 }
 20572 = <table> {
 }
 7744 = <table> {
 }
 403835 = <table> {
 }
 689 = <table> {
 }
 1122 = <table> {
 }
 17877 = <table> {
 }
 425463 = <table> {
 }
 20589 = <table> {
 }
 20594 = <table> {
 }
 6789 = <table> {
 }
 18708 = <table> {
 }
 603 = <table> {
 }
 20600 = <table> {
 }
 437169 = <table> {
 }
 5484 = <table> {
 }
 412789 = <table> {
 }
 442226 = <table> {
 }
 17962 = <table> {
 }
 403828 = <table> {
 }
 403789 = <table> {
 }
 403842 = <table> {
 }
 403501 = <table> {
 }
 426320 = <table> {
 }
 412788 = <table> {
 }
 440882 = <table> {
 }
}
(for control) = 6229
userSpellId = 6229
watchedData = <table> {
  = <table> {
 }
}
(for generator) = <function> defined =[C]:-1
(for state) = <table> {
  = <table> {
 }
}
(for control) = false
useExact = false
useExactData = <table> {
  = 11740
  = 6229
}
(for generator) = <function> defined =[C]:-1
(for state) = <table> {
  = 11740
  = 6229
}
(for control) = true
followoverride = true
oldEffectiveSpellId = 6229
newEffectiveSpellId = 11740
oldSpellDetail = nil
newSpellDetail = <table> {
 count = 0
 watched = <table> {
 }
 name = "Shadow Ward"
 id = 11740
 icon = 136121
 known = true
}
(*temporary) = true
(*temporary) = 11740
(*temporary) = 11740
(*temporary) = 11740
(*temporary) = "Shadow Ward"
(*temporary) = nil
(*temporary) = 136121
(*temporary) = 0
(*temporary) = 0
(*temporary) = 0
(*temporary) = 11740
(*temporary) = "attempt to index local 'oldSpellDetail' (a nil value)"
pairs = <function> defined =[C]:-1
Private = <table> {
 HandleGlowAction = <function> defined @WeakAuras/WeakAuras.lua:3639
 frame_strata_types = <table> {
 }
 DisplayToString = <function> defined @WeakAuras/Transmission.lua:355
 combat_event_type = <table> {
 }
 regions = <table> {
 }
 frameLevels = <table> {
 }
 CheckItemSlotCooldowns = <function> defined @WeakAuras/GenericTrigger.lua:3328
 InitializeEncounterAndZoneLists = <function> defined @WeakAuras/Types_Vanilla.lua:12
 IsEnvironmentInitialized = <function> defined @WeakAuras/AuraEnvironment.lua:200
 form_types = <table> {
 }
 CleanArchive = <function> defined @WeakAuras/History.lua:25
 UpdateProgressFrom = <function> defined @WeakAuras/RegionTypes/RegionPrototype.lua:582
 RunConditions = <function> defined @WeakAuras/Conditions.lua:843
 tooltip_count = <table> {
 }
 SmoothStatusBarMixin = <table> {
 }
 pet_spec_types = <table> {
 }
 regionOptions = <table> {
 }
 get_zoneId_list = <function> defined @WeakAuras/Types_Vanilla.lua:135
 checkForSingleLoadCondition = <function> defined @WeakAuras/Prototypes.lua:1250
 author_option_classes = <table> {
 }
 grid_types = <table> {
 }
 regionTypes = <table> {
 }
 absorb_modes = <table> {
 }
 combatlog_spell_school_types_for_ui = <table> {
 }
 mi